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513160187904 = 2123272132412
BaseRepresentation
bin1110111011110101011…
…10110001000000000000
31211001120000102112012100
413131322232301000000
531401423002003104
61031424215430400
752034405425200
oct7357256610000
91731500375170
10513160187904
111886a2603451
1283554385400
1339510777900
141aba0d6a400
15d536178139
hex777abb1000

513160187904 has 1053 divisors, whose sum is σ = 1913777750079. Its totient is φ = 132038000640.

The previous prime is 513160187893. The next prime is 513160187963. The reversal of 513160187904 is 409781061315.

The square root of 513160187904 is 716352.

It is a perfect power (a square), and thus also a powerful number.

513160187904 is a `hidden beast` number, since 5 + 1 + 31 + 601 + 8 + 7 + 9 + 0 + 4 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 341803929600 + 171356258304 = 584640^2 + 413952^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 513160187904.

It is an unprimeable number.

It is a polite number, since it can be written in 80 ways as a sum of consecutive naturals, for example, 12516102124 + ... + 12516102164.

Almost surely, 2513160187904 is an apocalyptic number.

513160187904 is the 716352-nd square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 513160187904

513160187904 is an abundant number, since it is smaller than the sum of its proper divisors (1400617562175).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

513160187904 is a wasteful number, since it uses less digits than its factorization.

513160187904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 152 (or 66 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 45.

The spelling of 513160187904 in words is "five hundred thirteen billion, one hundred sixty million, one hundred eighty-seven thousand, nine hundred four".